<template>
  <div class="icon-wrap">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon-content" v-for="item of page" :key="item.key">
          <div class="icon-img">
            <img :src="item.imgUrl" alt="">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>
<script>
  export default {
    name: 'HomeIcons',
    props: {
      iconList: Array
    },
    data() {
      return {
        swiperOption: {
          autoplay: false
        },
      }
    },
    computed: {
      pages () {
        const pages = []
        this.iconList.forEach((item, index) => {
          const page = Math.floor(index / 8);
          if (!pages[page]) {
            pages[page] = [];
          }
          pages[page].push(item);
        })
        return pages;
      } 
    }
  }
</script>
<style lang="stylus" scoped>
  @import '~styles/varibles.styl';
  @import '~styles/mixins.styl';
  .icon-wrap >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icon-content
    position relative
    overflow: hidden
    width: 25%
    height: 0
    float: left
    padding-bottom: 25%
    .icon-img
      position absolute
      top: 0
      left: 0
      right: 0
      bottom: .44rem
      padding: .1rem
      box-sizing: border-box
      & > img 
        display: block
        margin: 0 auto 
        height: 100%
    .icon-desc
      position absolute
      left: 0
      right: 0
      bottom: 0
      height: .44rem
      line-height: .44rem
      font-size: .28rem
      text-align: center
      color: $darkTextColor
      ellipsis()
</style>
